: 1.21 $2024-03-29T01:47:34-7:0052.90.211.141searchRMUSFS473883 Macrosiphonia brachysiphonphysical specimenApocynaceaeMacrosiphoniabrachysiphon(Torr.) A. GrayS-5George A. Streitz1923721202U.S.A.ArizonaPimaSanta Rita Range Reserve: Pasture 8b.-110.8789731.843841219Gentle southwest slope; gravelly silt loam; with mesquite, mesquitilla, Bouteloua, and Ambrosia. Phenology: vegetative only.RMUSFS473964 Macrosiphonia brachysiphonphysical specimenApocynaceaeMacrosiphoniabrachysiphon(Torr.) A. Gray61Robert Thompson1921913256U.S.A.ArizonaSanta CruzCoronado National Forest.Steep north slope; dry rocky soil; with grama grasses, pine vines, and summer annuals. Phenology: vegetative only.36003,1,0true